Number Bonds Worksheet

Fill in the missing numbers to complete each number bond. The two parts at the bottom add up to the whole number at the top.

20___17
16___13
21___
___511
11___4
1511___
17___10
123___
9___5
13___7
117___
12___4
6___4
133___
139___
18___9
63___
142___
32___
17___4
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